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Magnetic field effect on the photoconductivity of poly-n-vinylcarbazole

✍ Scribed by Ken-ichi Okamoto; Norikazu Oda; Akira Itaya; Shigekazu Kusabayashi

Publisher: Elsevier Science
Year: 1975
Tongue: English
Weight: 346 KB
Volume: 35
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(75)85648-x

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✦ Synopsis

Magnetic fields were found to increase the photocurrent in poly-N-vinylcarbszole (PVCz) fTlms by up to 5-6s at 1 kG. This positive niapnetic field effect was sensitive to both applied voltage and temperature, and was c&anced with dimtthylterephthalate (DMTP) doping by a factor of two. Magnetic fields were also found to increase the prompt esciplss fluorescence of PVCz films doped with DMTP by up to 2% at 500 G. The observations made clear that a carrier generation process via an esciplex state has an important role in photo-carrier generation even in nndoped PVCz ftims.

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